aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/AMDGPU/udivrem24.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/AMDGPU/udivrem24.ll')
-rw-r--r--test/CodeGen/AMDGPU/udivrem24.ll116
1 files changed, 99 insertions, 17 deletions
diff --git a/test/CodeGen/AMDGPU/udivrem24.ll b/test/CodeGen/AMDGPU/udivrem24.ll
index 4de881b66f10..147b95560935 100644
--- a/test/CodeGen/AMDGPU/udivrem24.ll
+++ b/test/CodeGen/AMDGPU/udivrem24.ll
@@ -1,5 +1,5 @@
-; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}udiv24_i8:
@@ -40,7 +40,7 @@ define void @udiv24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
ret void
}
-; FUNC-LABEL: {{^}}udiv24_i32:
+; FUNC-LABEL: {{^}}udiv23_i32:
; SI: v_cvt_f32_u32
; SI-DAG: v_cvt_f32_u32
; SI-DAG: v_rcp_f32
@@ -50,6 +50,23 @@ define void @udiv24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
+define void @udiv23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+ %den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+ %num = load i32, i32 addrspace(1) * %in, align 4
+ %den = load i32, i32 addrspace(1) * %den_ptr, align 4
+ %num.i23.0 = shl i32 %num, 9
+ %den.i23.0 = shl i32 %den, 9
+ %num.i23 = lshr i32 %num.i23.0, 9
+ %den.i23 = lshr i32 %den.i23.0, 9
+ %result = udiv i32 %num.i23, %den.i23
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}udiv24_i32:
+; SI: v_rcp_iflag
+; SI-NOT v_rcp_f32
+; EG-NOT: RECIP_IEEE
define void @udiv24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
@@ -63,6 +80,40 @@ define void @udiv24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
ret void
}
+; FUNC-LABEL: {{^}}no_udiv24_u23_u24_i32:
+; SI: v_rcp_iflag
+; SI-NOT v_rcp_f32
+; EG-NOT: RECIP_IEEE
+define void @no_udiv24_u23_u24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+ %den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+ %num = load i32, i32 addrspace(1) * %in, align 4
+ %den = load i32, i32 addrspace(1) * %den_ptr, align 4
+ %num.i23.0 = shl i32 %num, 9
+ %den.i24.0 = shl i32 %den, 8
+ %num.i23 = lshr i32 %num.i23.0, 9
+ %den.i24 = lshr i32 %den.i24.0, 8
+ %result = udiv i32 %num.i23, %den.i24
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}no_udiv24_u24_u23_i32:
+; SI: v_rcp_iflag
+; SI-NOT v_rcp_f32
+; EG-NOT: RECIP_IEEE
+define void @no_udiv24_u24_u23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+ %den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+ %num = load i32, i32 addrspace(1) * %in, align 4
+ %den = load i32, i32 addrspace(1) * %den_ptr, align 4
+ %num.i24.0 = shl i32 %num, 8
+ %den.i23.0 = shl i32 %den, 9
+ %num.i24 = lshr i32 %num.i24.0, 8
+ %den.i23 = lshr i32 %den.i23.0, 9
+ %result = udiv i32 %num.i24, %den.i23
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
; FUNC-LABEL: {{^}}udiv25_i32:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
@@ -74,11 +125,11 @@ define void @udiv25_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
- %num.i24.0 = shl i32 %num, 7
- %den.i24.0 = shl i32 %den, 7
- %num.i24 = lshr i32 %num.i24.0, 7
- %den.i24 = lshr i32 %den.i24.0, 7
- %result = udiv i32 %num.i24, %den.i24
+ %num.i25.0 = shl i32 %num, 7
+ %den.i25.0 = shl i32 %den, 7
+ %num.i25 = lshr i32 %num.i25.0, 7
+ %den.i25 = lshr i32 %den.i25.0, 7
+ %result = udiv i32 %num.i25, %den.i25
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
@@ -162,15 +213,8 @@ define void @urem24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
}
; FUNC-LABEL: {{^}}urem24_i32:
-; SI: v_cvt_f32_u32
-; SI: v_cvt_f32_u32
-; SI: v_rcp_f32
-; SI: v_cvt_u32_f32
-
-; EG: UINT_TO_FLT
-; EG-DAG: UINT_TO_FLT
-; EG-DAG: RECIP_IEEE
-; EG: FLT_TO_UINT
+; SI-NOT: v_rcp_f32
+; EG-NOT: RECIP_IEEE
define void @urem24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
@@ -243,3 +287,41 @@ define void @test_no_urem24_i32_2(i32 addrspace(1)* %out, i32 addrspace(1)* %in)
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
+
+; FUNC-LABEL: {{^}}test_udiv24_u16_u23_i32:
+; SI-DAG: v_rcp_f32
+; SI-DAG: s_mov_b32 [[MASK:s[0-9]+]], 0x7fffff{{$}}
+; SI: v_and_b32_e32 v{{[0-9]+}}, [[MASK]],
+
+; EG: RECIP_IEEE
+define void @test_udiv24_u16_u23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+ %den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+ %num = load i32, i32 addrspace(1) * %in, align 4
+ %den = load i32, i32 addrspace(1) * %den_ptr, align 4
+ %num.i16.0 = shl i32 %num, 16
+ %den.i23.0 = shl i32 %den, 9
+ %num.i16 = lshr i32 %num.i16.0, 16
+ %den.i23 = lshr i32 %den.i23.0, 9
+ %result = udiv i32 %num.i16, %den.i23
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}test_udiv24_u23_u16_i32:
+; SI-DAG: v_rcp_f32
+; SI-DAG: s_mov_b32 [[MASK:s[0-9]+]], 0x7fffff{{$}}
+; SI: v_and_b32_e32 v{{[0-9]+}}, [[MASK]],
+
+; EG: RECIP_IEEE
+define void @test_udiv24_u23_u16_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+ %den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+ %num = load i32, i32 addrspace(1) * %in, align 4
+ %den = load i32, i32 addrspace(1) * %den_ptr, align 4
+ %num.i23.0 = shl i32 %num, 9
+ %den.i16.0 = shl i32 %den, 16
+ %num.i23 = lshr i32 %num.i23.0, 9
+ %den.i16 = lshr i32 %den.i16.0, 16
+ %result = udiv i32 %num.i23, %den.i16
+ store i32 %result, i32 addrspace(1)* %out, align 4
+ ret void
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-28 02:11:44 +0000